EP2685274A4 - Optically pumped magnetometer, magnetoencephalography meter, and mri device - Google Patents

Optically pumped magnetometer, magnetoencephalography meter, and mri device

Info

Publication number
EP2685274A4
EP2685274A4 EP20110860388 EP11860388A EP2685274A4 EP 2685274 A4 EP2685274 A4 EP 2685274A4 EP 20110860388 EP20110860388 EP 20110860388 EP 11860388 A EP11860388 A EP 11860388A EP 2685274 A4 EP2685274 A4 EP 2685274A4
Authority
EP
Grant status
Application
Patent type
Prior art keywords
optically pumped
mri device
pumped magnetometer
magnetoencephalography meter
magnetoencephalography
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20110860388
Other languages
German (de)
French (fr)
Other versions
EP2685274A1 (en )
Inventor
Nobuaki Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/04Detecting, measuring or recording bioelectric signals of the body or parts thereof
    • A61B5/04005Detecting magnetic fields produced by bio-electric currents
    • A61B5/04008Detecting magnetic fields produced by bio-electric currents specially adapted for magneto-encephalographic signals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/24Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/26Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux using optical pumping
EP20110860388 2011-03-08 2011-11-16 Optically pumped magnetometer, magnetoencephalography meter, and mri device Withdrawn EP2685274A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011050501 2011-03-08
PCT/JP2011/076436 WO2012120732A1 (en) 2011-03-08 2011-11-16 Optically pumped magnetometer, magnetoencephalography meter, and mri device

Publications (2)

Publication Number Publication Date
EP2685274A1 true EP2685274A1 (en) 2014-01-15
EP2685274A4 true true EP2685274A4 (en) 2014-09-03

Family

ID=46797713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110860388 Withdrawn EP2685274A4 (en) 2011-03-08 2011-11-16 Optically pumped magnetometer, magnetoencephalography meter, and mri device

Country Status (5)

Country Link
US (1) US20140097837A1 (en)
EP (1) EP2685274A4 (en)
JP (1) JP5666687B2 (en)
CN (1) CN103314305B (en)
WO (1) WO2012120732A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8941377B2 (en) * 2012-02-10 2015-01-27 Canon Kabushiki Kaisha Optically pumped magnetometer and magnetic sensing method
JP5982865B2 (en) * 2012-02-24 2016-08-31 セイコーエプソン株式会社 Sealing method of the gas cell
JP2015143669A (en) * 2014-01-31 2015-08-06 セイコーエプソン株式会社 Magnetic field measuring device
FR3026193B1 (en) * 2014-09-19 2016-12-23 Commissariat Energie Atomique Magnetometer without enslavement and compensation of fluctuations in the resonance slope weak field, network and magnetometers measuring method
FR3035719B1 (en) * 2015-04-30 2017-05-26 Commissariat Energie Atomique Structure of optical pumping magnetometer
EP3328272A1 (en) * 2015-07-28 2018-06-06 Rmit University A magneto-encephalography device
WO2017015713A1 (en) * 2015-07-28 2017-02-02 Rmit University A sensor for measuring a physical parameter

Citations (6)

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US4157495A (en) * 1976-08-14 1979-06-05 Litton Systems, Inc. Nuclear magnetic resonance gyro
US6666047B1 (en) * 1999-08-09 2003-12-23 Forschungszentrum Julich Gmbh High pressure polarizer for hyperpolarizing the nuclear spin of noble gases
JP2006126110A (en) * 2004-11-01 2006-05-18 Mitsubishi Electric Corp Optical pumping magnetometer
WO2007078889A2 (en) * 2005-12-29 2007-07-12 Intel Corporation Optical magnetometer array and method for making and using the same
US20090001979A1 (en) * 2007-06-27 2009-01-01 Hitachi High-Technologies Corporation Magnetic field measuring apparatus
US7826065B1 (en) * 2008-07-15 2010-11-02 Sandia Corporation Tuned optical cavity magnetometer

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FR1594433A (en) * 1968-12-12 1970-06-01
US7038450B2 (en) * 2002-10-16 2006-05-02 Trustees Of Princeton University High sensitivity atomic magnetometer and methods for using same
US7202751B2 (en) * 2004-10-18 2007-04-10 Agilent Inc. Optically pumped frequency standard with reduces AC stark shift
JP5118453B2 (en) * 2007-11-26 2013-01-16 株式会社日立ハイテクノロジーズ Optical pumping magnetometer
JP2009236599A (en) * 2008-03-26 2009-10-15 Canon Inc Optical pumping magnetometer
JP5264242B2 (en) * 2008-03-26 2013-08-14 キヤノン株式会社 Atomic magnetometer and magnetic force measuring method
JP5375279B2 (en) * 2008-06-18 2013-12-25 セイコーエプソン株式会社 Atomic oscillator
JP5707021B2 (en) * 2008-09-30 2015-04-22 株式会社日立ハイテクノロジーズ Magnetic field measuring device
US20100225313A1 (en) * 2009-03-03 2010-09-09 Baker Hughes Incorporated Atomic magnetometers for use in the oil service industry
CN101841122B (en) * 2010-03-29 2012-07-18 北京大学 Method of alkali metal gas electrodeless lamp pump to output alkali metal gas laser and laser device
US9726733B2 (en) * 2012-02-22 2017-08-08 Geometrics, Inc. Optical magnetometers
JP5972006B2 (en) * 2012-03-29 2016-08-17 キヤノン株式会社 Optical pumping magnetometer and magnetic force measurement method
US9366735B2 (en) * 2012-04-06 2016-06-14 Hitachi, Ltd. Optical pumping magnetometer
US9964609B2 (en) * 2012-04-18 2018-05-08 Canon Kabushiki Kaisha Optically pumped magnetometer
JP2015021812A (en) * 2013-07-18 2015-02-02 キヤノン株式会社 Optically pumped magnetometer and optically pumped magnetic force measurement method
KR101624482B1 (en) * 2014-10-24 2016-05-26 한국표준과학연구원 Atomic Magnetometer And Operating Method Of The Same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157495A (en) * 1976-08-14 1979-06-05 Litton Systems, Inc. Nuclear magnetic resonance gyro
US6666047B1 (en) * 1999-08-09 2003-12-23 Forschungszentrum Julich Gmbh High pressure polarizer for hyperpolarizing the nuclear spin of noble gases
JP2006126110A (en) * 2004-11-01 2006-05-18 Mitsubishi Electric Corp Optical pumping magnetometer
WO2007078889A2 (en) * 2005-12-29 2007-07-12 Intel Corporation Optical magnetometer array and method for making and using the same
US20090001979A1 (en) * 2007-06-27 2009-01-01 Hitachi High-Technologies Corporation Magnetic field measuring apparatus
US7826065B1 (en) * 2008-07-15 2010-11-02 Sandia Corporation Tuned optical cavity magnetometer

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
SCHWINDT PETER ET AL: "Chip-scale atomic magnetometer with improved sensitivity by use of the Mx technique", APPLIED PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS, US, vol. 90, no. 8, 21 February 2007 (2007-02-21), pages 81102 - 081102, XP012096101, ISSN: 0003-6951, DOI: 10.1063/1.2709532 *
See also references of WO2012120732A1 *
XU S ET AL: "Magnetic resonance imaging with an optical atomic magnetometer", PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA USA, vol. 103, no. 34, 22 August 2006 (2006-08-22), pages 12670 - 12673, XP002727562, ISSN: 0027-8424 *

Also Published As

Publication number Publication date Type
EP2685274A1 (en) 2014-01-15 application
JPWO2012120732A1 (en) 2014-07-07 application
WO2012120732A1 (en) 2012-09-13 application
JP5666687B2 (en) 2015-02-12 grant
US20140097837A1 (en) 2014-04-10 application
CN103314305A (en) 2013-09-18 application
CN103314305B (en) 2015-04-15 grant

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